LOINCActiveObservation

LOINC Code 46740-7: Hemoglobin disorders (DBS) [Interp]

46740-7 is a LOINC code used to identify Hemoglobin disorders (DBS) [Interp] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Hemoglobin disorders. It is commonly used with the system or sample type Bld.dot.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Hemoglobin disorders. It is commonly used with the system or sample type Bld.dot.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Observation

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Hemoglobin disorders newborn screen interpretation
  • Hemoglobin disorders
  • Blood; Chemistry; DBS; Dried blood spot; Filter paper; FP; Gyn; Gynecology; Haemoglobin; Hb; Hemoglobinopathies; Hgb; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Nominal; OB; ObGyn; Obstetrics; Point in time; Random; WB; Whole blood

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Hemoglobin disorders (DBS) [Interp]Hemoglobin disorders newborn screen interpretationHemoglobin disorders DBS-ImpHemoglobin disordersCHEMHemoglobin disorders, Dried blood spotImp

Frequently asked questions

Code details

Code46740-7
SystemLOINC
Display nameHemoglobin disorders (DBS) [Interp]
DescriptionHemoglobin disorders
Short nameHemoglobin disorders DBS-Imp
ComponentHemoglobin disorders
PropertyImp
TimingPt
System (specimen)Bld.dot
ScaleNom
ClassCHEM
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.19
Last changed2.73

Consumer names

Hemoglobin disorders, Dried blood spot

Part names

Hemoglobin disordersImpPtBld.dotNomImpression/interpretation of studyPoint in time (spot)DBS

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 46740-7 | HealthAssure